Dorney Lake Duathlon

RunThrough UK hosts the Dorney Lake Duathlon at the Olympic-standard Dorney Lake in Windsor, UK. The flat, scenic grounds yield a fast, chip-timed course for duathletes aiming for personal bests. Distances include Super Sprint Duathlon (2.5k run – 10k bike – 2.5k run), Sprint Duathlon (5k run – 19k bike – 2.5k run), and Standard Duathlon (10k run – 37k bike – 5k run), plus relay options for two or three teammates.

Each discipline is clearly marked with distance flags and supported by course helpers. Entry includes a themed medal, post-race goodies, and free race photos, making it a welcoming event for all abilities. Visit the organization's website for the most recent information.